Intergeo celebrates a convincing comeback in Essen; [Intergeo feiert überzeugendes Comeback in Essen]. gis.Business | issn : 1869-9286 [Internet]. 2022 Jan. 1 [cited 2026 Nov. 8];23(1):52-4. Available from: https://journal-gis.business/index.php/gisb/article/view/449